Fixes gcc '-Wunused-but-set-variable' warning:
drivers/gpu/drm/amd/display/dc/dce/dce_abm.c: In function calculate_16_bit_backlight_from_pwm:
drivers/gpu/drm/amd/display/dc/dce/dce_abm.c:83:11: warning: variable bl_pwm_cntl set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/amd/display/dc/dce/dce_abm.c: In function calculate_16_bit_backlight_from_pwm:
drivers/gpu/drm/amd/display/dc/dce/dce_abm.c:82:11: warning: variable pwm_period_cntl set but not used [-Wunused-but-set-variable]
They are not used since commit 5e7773a219f7 ("drm/amd/display:
DMCU Compile and Load")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: zhengbin <zhengbin13@xxxxxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dce/dce_abm.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
index 9edd369..b306fb1 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
@@ -84,15 +84,15 @@ static unsigned int calculate_16_bit_backlight_from_pwm(struct dce_abm *abm_dce)
{
uint64_t current_backlight;
uint32_t round_result;
- uint32_t pwm_period_cntl, bl_period, bl_int_count;
- uint32_t bl_pwm_cntl, bl_pwm, fractional_duty_cycle_en;
+ uint32_t bl_period, bl_int_count;
+ uint32_t bl_pwm, fractional_duty_cycle_en;
uint32_t bl_period_mask, bl_pwm_mask;
- pwm_period_cntl = REG_READ(BL_PWM_PERIOD_CNTL);
+ REG_READ(BL_PWM_PERIOD_CNTL);
REG_GET(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD, &bl_period);
REG_GET(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD_BITCNT, &bl_int_count);
- bl_pwm_cntl = REG_READ(BL_PWM_CNTL);
+ REG_READ(BL_PWM_CNTL);
REG_GET(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, (uint32_t *)(&bl_pwm));
REG_GET(BL_PWM_CNTL, BL_PWM_FRACTIONAL_EN, &fractional_duty_cycle_en);
--
2.7.4
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